routine changes for next dev cycle
extending PSP support for reading PPM live data
reset PPM array after disconnect
forgot to pass tod var (debug bugfix)
cleaning up
desktop notifications OPT out
cleanup, reorder
globally accessible options
make retina display users happy
adding PowerTowerRX to the flasher

option is currently hidden as the hw_type wasn't defined yet (unable to
auto-compile build for this hw, yet)
dropping in FW v3.6.2
updating changelogs